<extend  name="User/edit" />
<block name="up_img">


    <img src="__ROOT__/Uploads/<{$_SESSION['user']['img_200']}>">
    <form action="<{:U('User/up_headimg')}>" enctype="multipart/form-data" method="post" >
    <input type="text" name="text">
    <input type="file" name="head_img" />
    <input type="submit" value="提交" >
    </form>
</block>